diff --git a/maven-jar-plugin-depmap.xml b/maven-jar-plugin-depmap.xml
deleted file mode 100644
index ef5c89f..0000000
--- a/maven-jar-plugin-depmap.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<dependencies>
-	<dependency>
-	  <maven>
-		<groupId>org.apache.maven</groupId>
-		<artifactId>maven-archiver</artifactId>
-		<version>2.4</version>
-	  </maven>
-	  <jpp>
-		<groupId>JPP</groupId>
-		<artifactId>maven-archiver</artifactId>
-		<version>2.4</version>
-	  </jpp>
-	</dependency>
-</dependencies>
-
diff --git a/maven-jar-plugin.spec b/maven-jar-plugin.spec
index e48a7af..57d884f 100644
--- a/maven-jar-plugin.spec
+++ b/maven-jar-plugin.spec
@@ -1,28 +1,25 @@
 Name:           maven-jar-plugin
-Version:        2.3
-Release:        3%{?dist}
+Version:        2.3.1
+Release:        1%{?dist}
 Summary:        Maven JAR Plugin
 
 Group:          Development/Libraries
 License:        ASL 2.0
 URL:            http://maven.apache.org/plugins/maven-jar-plugin/
-#svn export http://svn.apache.org/repos/asf/maven/plugins/tags/maven-jar-plugin-2.3 maven-jar-plugin-2.3
-#tar caf maven-jar-plugin-2.3.tar.xz maven-jar-plugin-2.3/
-Source0:        %{name}-%{version}.tar.xz
-Source1:        %{name}-depmap.xml
+Source0:        http://repo2.maven.org/maven2/org/apache/maven/plugins/maven-jar-plugin/2.3.1/maven-jar-plugin-2.3.1-source-release.zip
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildArch: noarch
 
 BuildRequires: java-devel >= 1:1.6.0
 BuildRequires: maven2
-BuildRequires: maven2-plugin-plugin
-BuildRequires: maven2-plugin-jar
-BuildRequires: maven2-plugin-install
-BuildRequires: maven2-plugin-resources
+BuildRequires: maven-plugin-plugin
+BuildRequires: maven-jar-plugin
+BuildRequires: maven-install-plugin
+BuildRequires: maven-resources-plugin
 BuildRequires: maven-compiler-plugin
 BuildRequires: maven-javadoc-plugin
-BuildRequires: maven-surefire-maven-plugin
+BuildRequires: maven-surefire-plugin
 BuildRequires: maven-surefire-provider-junit
 BuildRequires: maven-doxia-sitetools
 BuildRequires: maven-plugin-testing-harness
@@ -34,7 +31,7 @@ BuildRequires: junit
 Requires: maven2
 Requires: maven-archiver
 Requires: plexus-archiver
-Requires: maven-shared-archiver
+Requires: maven-archiver
 Requires: apache-commons-lang
 Requires: plexus-utils
 Requires: maven-plugin-testing-harness
@@ -61,7 +58,9 @@ API documentation for %{name}.
 
 
 %prep
-%setup -q #You may need to update this according to your Source0
+%setup -q 
+#let plexus-container-default be retrieved as a dependency
+sed -i -e "s|plexus-container-default|plexus-container|g" pom.xml
 
 %build
 export MAVEN_REPO_LOCAL=$(pwd)/.m2/repository
@@ -69,7 +68,6 @@ mvn-jpp \
         -e \
         -Dmaven2.jpp.mode=true \
         -Dmaven.repo.local=$MAVEN_REPO_LOCAL \
-        -Dmaven2.jpp.depmap.file=%{SOURCE1} \
         -Dmaven.test.skip=true \
         install javadoc:javadoc
 
@@ -117,6 +115,11 @@ rm -rf %{buildroot}
 %{_javadocdir}/%{name}
 
 %changelog
+* Fri Sep 10 2010 Alexander Kurtakov <akurtako@redhat.com> 2.3.1-1
+- Update to 2.3.1.
+- Keep plexus-container-default on the dependency tree.
+- Drop depmap - not needed now.
+
 * Wed May 19 2010 Alexander Kurtakov <akurtako@redhat.com> 2.3-3
 - Add depmap.